25.
tests as speciﬁcation
• running tests are ultimately the most
accurate description of the system
(excluding the system itself)
• translation steps between a speciﬁcation
and tests introduces translation errors
(c) 2008 Lasse Koskela

29.
in other words...
• testers and programmers need to
collaborate more closely
• development team and customer need to
collaborate more closely
• we need a shared language and medium for
doing this!
(c) 2008 Lasse Koskela